New antibody study in Spain adds evidence against herd immunity
(WorldNews Environment)

The following is a brief roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for Covid-19, the illness caused by the virus. Study may explain severity of Covid-19 in high-risk groups A small study of high-risk Covid-19 patients may help explain why their health issues contribute to more severe cases of the illness. Chronic conditions like obesity, diabetes, liver disease, hypertension, and heart disease also cause inflammation. Researchers studied 16 Covid-19 patients with these conditions and found in all of them the enzyme caspase-1 and the inflammatory protein IL-18 - evidence of an immune-system process called the...